CHAPTER 13 SERIAL INTERFACE CHANNEL 0
241
User’s Manual U11302EJ4V0UM
CSIIF0 set (rising
edge of 9th clock
of SCK0)
Note 1
Signal Name
Output
Device
Definition
Timing Chart
Output Condition
Effect on Flag
Meaning of Signal
Table 13-4. Signals in SBI Mode (2/2)
Master/
slave
Master
Master
Master
Data
(D7 to D0)
Command
(C7 to C0)
Address
(A7 to A0)
Serial clock
(SCK0)
8-bit data transferred in
synchronization with SCK0
after output of only CMD
signal without REL signal
output
8-bit data transferred in
synchronization with SCK0
without output of REL and
CMD signals
8-bit data transferred in
synchronization with SCK0
after output of REL and
CMD signals
When CSIE0 = 1,
execution of
instruction for
data write to
SIO0 (serial
transfer start
instruction)
Note 2
Timing of signal
output to serial data
bus
Address value of
slave device on the
serial bus
Instructions and
messages to the
slave device
Numeric values to
be processed with
slave or master
device
Synchronous clock to output
address/command/data,
ACK signal, synchronous
BUSY signal, etc.
Address/command/data are
transferred with the first
eight synchronous clocks.
SCK0
SB0/SB1
127
8
9
1
0
SCK0
SB0/SB1
12
7
8
REL
CMD
SCK0
SB0/SB1
12
7
8
CMD
SCK0
SB0/SB1
12
7
8
Notes
1.
When WUP = 0, CSIIF0 is always set at the rising edge of the 9th clock of SCK0.
When WUP = 1, CSIIF0 is set only when the received address matches the slave address register (SVA) value.
2.
In the BUSY state, transfer starts after the READY state is entered.
Содержание mPD780204
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